5439513128 has 24 divisors (see below), whose sum is σ = 11864245050. Its totient is φ = 2331219744.

The previous prime is 5439513127. The next prime is 5439513139. The reversal of 5439513128 is 8213159345.

It can be written as a sum of positive squares in only one way, i.e., 5232786244 + 206726884 = 72338^2 + 14378^2 .

It is not an unprimeable number, because it can be changed into a prime (5439513127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6937763 + ... + 6938546.

Almost surely, 2^5439513128 is an apocalyptic number.

It is an amenable number.

5439513128 is an abundant number, since it is smaller than the sum of its proper divisors (6424731922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5439513128 is a wasteful number, since it uses less digits than its factorization.

5439513128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13876329 (or 13876318 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 5439513128 is about 73753.0550418083. The cubic root of 5439513128 is about 1758.6793993260.

The spelling of 5439513128 in words is "five billion, four hundred thirty-nine million, five hundred thirteen thousand, one hundred twenty-eight".